condition mean min max 4 h after light 0.40399 0.0 1.21197 8 h after light 0.0 0.0 0.0 12 h after light 0.041561 0.0 0.124683 4 h after dark 0.06834133333333334 0.0 0.205024 8 h after dark 0.0 0.0 0.0 12 h after dark 0.11587933333333333 0.0 0.186024